Static library | Official Unity Discord | Page 1

ancient dagger Mar 13, 2023, 4:02 AM

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The library is native, not managed. I forgot to mention that in the post.

kindred frigate Mar 13, 2023, 11:53 AM

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You would need to create a C++ wrapper around the Static Library which then you could build as a DLL. You should first look if there is a DLL equivalent of your static library or, even better, a library that provides interfacing between the static library and the C#/Unity. (Something like a console SDK) Working directly with DLLImport may not be a good idea, it would be better to encapsulate it in a managed c# object to increase the maintainability.

ancient dagger Mar 13, 2023, 1:16 PM

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I'm building the library myself and it wouldn't be a dll since that's a dynamic library. It looks like .lib isn't supported by unity even though other static library types are supported.

For clarity, l have built working static libraries for the other platforms the project is hitting.

Unless you are suggesting renaming the .lib to .dll and that would work?

kindred frigate Mar 13, 2023, 1:58 PM

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If you are building the library yourself, what prevent you from doing a DLL ?

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Because static library is not supported in C#.

kindred frigate Mar 13, 2023, 2:32 PM

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It is possible to use a ".a" files with [DllImport("__Internal"] on a native library due to the usage of IL2CPP. Whenever I say it is not possible to include static library in C# is true, but in case of Unity, with IL2CPP it is different.

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So, what is the platform you are looking to include a ".lib" ? Is it windows ? If so, I'm afraid that IL2CPP might not link correctly with .lib files.

ancient dagger Mar 13, 2023, 7:48 PM

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All my platforms are il2cpp

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But lib simply isn't recognized by the editor. I had issues on other platforms with building the plugin as a dynamic library and static was an easy workaround

#Static library